National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Fair

79°F

26°C

Humidity 94%
Wind Speed SW 6 mph
Barometer 29.86 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 29 Jul 4:55 am EDT
Extended Forecast for

3 Miles SE Port St. Lucie-River Park FL

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 106. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 75. West southwest wind around 5 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Partly sunny, with a high near 92. Heat index values as high as 103. West southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 75. West southwest wind around 5 mph.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 90. West southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 73. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 106. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 75. West southwest wind around 5 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 1pm and 2pm. Partly sunny, with a high near 92. Heat index values as high as 103. West southwest wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 75. West southwest wind around 5 mph.
Friday
A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 90. West southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 73. South southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. South southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Light south wind becoming south southeast 5 to 10 mph in the morning. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Port St. Lucie-River Park FL
 27.29°N 80.31°W (Elev. 3 ft)
Last Update:
2:40 am EDT Jul 29, 2026
Forecast Valid:
5am EDT Jul 29, 2026-6pm EDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation